Sri La Sri Agasthiar Thuthitha Attor Sri Mangala Maha Mariamman temple is situated in south of 3 kms from Kiliyanur (Thiruvarur District) near Myladuthurai. It is the oldest temple and it is on the way from Kumbakonam to Kolumangudi.

Noothana alaya astapanthana uthamabasha maha kumbabishegam of Mangala maha Mariamman temple was performed at Attor on 23rd of June 2004.

Mr.Venkatesh Narayanaswamy and Anuja Venkatesh ,Foreigners of Thiruchi District founded Sri La Sri Agasthiar Thuthitha Attor Mangala Maha Mariamman Sadhguru Seva Trust. They had given some crores for this temple in the form of seva trust.